<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="bootstrap-3.4.1-dist/css/bootstrap.css">
    <script src="jq/jquery2.0/jquery-2.0.0.js"></script>
    <script src="bootstrap-3.4.1-dist/js/bootstrap.js"></script>
    <style>
        .aa{
            width:370px;
            height: 450px;
            margin:0 auto;
        }
    </style>
</head>
<body>
    <div id="carousel-example-generic" class="carousel slide aa" data-ride="carousel">
        <!-- Indicators -->
        <ol class="carousel-indicators">
          <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li>
          <li data-target="#carousel-example-generic" data-slide-to="1"></li>
          <li data-target="#carousel-example-generic" data-slide-to="2"></li>
        </ol>
      
        <!-- Wrapper for slides -->
        <div class="carousel-inner" role="listbox">
          <div class="item active">
            <img src="images/liuyifei.png" alt="...">
            <div class="carousel-caption">
              刘亦菲
            </div>
          </div>
          <div class="item">
            <img src="images/reba.png" alt="...">
            <div class="carousel-caption">
              迪丽热巴
            </div>
          </div>
          <div class="item">
            <img src="images/yangzi.png" alt="...">
            <div class="carousel-caption">
              杨紫
            </div>
          </div>
        </div>
      
        <!-- Controls -->
        <a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev">
          <span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
          <span class="sr-only">Previous</span>
        </a>
        <a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next">
          <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
          <span class="sr-only">Next</span>
        </a>
      </div>
</body>
</html>